CN103910069A - Aircraft catapult driven by jet engine - Google Patents
Aircraft catapult driven by jet engine Download PDFInfo
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- CN103910069A CN103910069A CN201310006215.XA CN201310006215A CN103910069A CN 103910069 A CN103910069 A CN 103910069A CN 201310006215 A CN201310006215 A CN 201310006215A CN 103910069 A CN103910069 A CN 103910069A
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- rolling disc
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Abstract
An aircraft catapult driven by a jet engine consists of high-thrust turbofan engines, a rotating disc, a tail gas fairing, a thrust reversing device, a transmission shaft, a clutch, a transmission gear, rack, a brake device, a reset system, a lubrication system and a control system. The catapult is powered by multiple high-thrust turbofan engines, the engines are fixed on the bottom face of the rotating disc and circumferentially arranged with a rotating shaft of the rotating disc as the axis at intervals, the installing direction enables the air inlet efficiency of the engines to be highest, and exhaust nozzles of the engines are fixed on the top face of the rotating disc and circumferentially arranged with the rotating shaft of the rotating disc as the axis at intervals, the jet direction enables the rotating disc to obtain maximum moment. The rotating disc converts thrust of the turbofan engines into rotating power, and the rotating power is transmitted to the transmission gear through the transmission shaft and the clutch and then is transferred to an aircraft through the rack meshed with the transmission gear and a sliding shuttle connected with the rack.
Description
Affiliated technical field
The present invention relates to the aircraft catapult that aircraft carrier uses.
Background technology
At present, the aircraft using on China's aircraft carrier is the sliding mode of flying of jumping up, and the sliding mode of flying of jumping up has limited bullet-loading capacity and the combat radius of opportunity of combat, and the early warning plane that the sliding mode of flying of jumping up can not landing routine.
Summary of the invention
In order to overcome the shortcoming of the sliding mode of flying of jumping up, the invention provides a kind of aircraft catapult of lightweight, easy manufacture.
The technical solution adopted for the present invention to solve the technical problems is: the aircraft catapult that jet engine drives is by high thrust fanjet, rolling disc, tail gas streamlined reefer housing, thrust reverser, transmission shaft, power-transfer clutch, transmission gear, tooth bar, gear brake equipment, resetting system, lubricating system, composition of the control system.Described ejector by multiple high thrust fanjets as power, driving engine is fixed on rolling disc bottom surface, and take the S. A. of rolling disc as axle center equidistant circumference, installation direction makes the intake efficiency of driving engine the highest, the jet pipe of driving engine is fixed on rolling disc end face, and take the S. A. of rolling disc as axle center equidistant circumference, the moment maximum that jet direction obtains rolling disc, rolling disc changes into the thrust of fanjet the power of rotation, the power of rotation is transferred to transmission gear by transmission shaft and through power-transfer clutch, the tooth bar of process and transmission gear engagement again, then flow to aircraft through the shuttle being connected with tooth bar.Engine fuel flows down by the pipeline of interior of rotating shaft, after entering rolling disc, offer driving engine, power supply and signal wire (SW) are connected to the inner corresponding circuit of rotating base from firm banking by metal balls, are then connected to the associated mechanisms in rolling disc, mutually insulated between each circuit.In working process, if it is abnormal to drive rotating disk assembly to occur, abnormal brake gear action clamps rotating base, and rolling disc is braked.Between fixing motor exhaust streamlined reefer housing and rolling disc, there is densification device to avoid driving engine to suck tail gas, tail gas streamlined reefer housing has exhausr port, the discharge directions of exhausr port is beneficial to the discharge of motor exhaust, the exit area of exhausr port is greater than the exit area summation of all engine tail nozzles, and exhausr port is discharged to the tail gas of driving engine outside aircraft carrier.Transmission gear in conveyor track assembly and less reversing gear nibble and, tooth bar is through out-of-date, tooth bar on transmission gear and its nibble and, the length of tooth bar is greater than two distances between adjacent transmission gear, make tooth bar all the time at least with one transmission gear keep nibbling and, ball and lubricating oil are housed in rack guide rail, make tooth bar by time friction force reduce, in the position of multiple transmission gears, gear brake equipment is installed, under normal circumstances, gear brake equipment is braked transmission gear, occur when abnormal, the tooth bar buffering stop motion mechanism that is positioned at conveyor track assembly end is braked tooth bar.Thrust reverser is by plate baffle, inner side obturage plate, outside obturage plate, hydraulic actuation mechanism and composition of the control system.Plate baffle is risen in hydraulic actuation mechanism, the plate baffle rising completely and the end face of rolling disc form an acute angle, obturage under the elastic force effect of the torsion spring that plate installs in its rotating shaft place and automatically rise in obturage plate and outside, inner side, the angle rising is limited by plate baffle, while rise completely, inner side obturage plate and rolling disc end face form an acute angle, the obturage end face of plate and rolling disc of outside also forms an acute angle, the plate baffle rising, inner side obturage plate and the rolling disc end face of plate and outside of obturaging forms the densification device at a four sides, make thrust reversing or the part thrust reversing of driving engine, while launching, hydraulic actuation mechanism depresses plate baffle, plate baffle is depressed inner side plate and the outside plate of obturaging of obturaging.Before launching, start the engine also makes plate baffle rise a low-angle, make rolling disc with low speed rotation, when preparation is launched, the acceleration/accel that the angle of adjustment plate baffle makes rolling disc can bear with aircraft rotates, and launches while beginning, closed power-transfer clutch, depress plate baffle simultaneously, rolling disc fast rotational, by the power transmission of high thrust fanjet to the aircraft being launched.Taking off rear power-transfer clutch disconnects, the action of gear brake equipment is stopped the rotation transmission gear, thereby make tooth bar stop motion, thrust reverser action on rolling disc simultaneously, make the thrust reversing of driving engine, rolling disc is slowed down, and closed reduction power-transfer clutch after tooth bar stop motion, resets tooth bar by reset motor-driven gear group.While launching aviette, plate baffle rises certain angle or closes symmetrical a part of driving engine to reduce ejection force, reaches the ejection force scope that aviette can bear.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is front elevation.
Fig. 2 is left view.
Fig. 3 is the partial enlarged drawing of A in Fig. 2.
Fig. 4 is front elevation.
Fig. 5 is the partial enlarged drawing of B in Fig. 4.
Fig. 6 is the partial enlarged drawing of C in Fig. 4.
Fig. 7 is the front elevation that plate baffle rises.
Fig. 8 is the strabismus decomposition figure that plate baffle rises.
Fig. 9 is the partial enlarged drawing of E in Fig. 8.
Figure 10 is the partial enlarged drawing of F in Fig. 8.
Figure 11 is the strabismus decomposition figure that plate baffle rises.
Figure 12 is the schematic layout pattern of second embodiment of ejector.
Figure 13 is the schematic layout pattern of the 3rd embodiment of ejector.
In figure, 1. drive rotating disk assembly, 3. conveyor track assembly, 10. high thrust fanjet, 11. rolling discs, 12. tail gas streamlined reefer housings, 13. S. A.s, 14. finishing bevel gear cuters, 15. rotating bases, 16. firm bankings, 17. line outlet grooves, 18. balls, 19. power supplys and signal wire (SW), 20. holding screw holes, 21. abnormal brake gears, 22. plate baffles, the 23. inner sides plate of obturaging, the 24. outsides plate of obturaging, 25. exhausr ports, 26. streamlined reefer housing gates, 30. tooth bars, 31. rack guide rails, 32. balls, 33. reinforced ribs, 34. gear stands, 35. gear brake equipments, 36. transmission gears, 37. reversing gears, 38. tooth bar buffering stop motion mechanisms, 40. transmission shafts, 41. power-transfer clutchs and change speed gear box, 50. reset motors, 51. reseting clutch, 52. divider walls.
The specific embodiment
Now will be in more detail for the preferred embodiments of the present invention provide reference, and ignore the description of well-known characteristic and technology and details in order to avoid unnecessarily cover theme of the present invention, the preferred embodiment of the present invention is shown in Fig. 1 to Figure 11, Fig. 1 is front elevation, Fig. 2 is left view, Fig. 3 is the partial enlarged drawing of A in Fig. 2, Fig. 4 is front elevation, Fig. 5 is the partial enlarged drawing of B in Fig. 4, Fig. 6 is the partial enlarged drawing of C in Fig. 4, Fig. 7 is the front elevation that plate baffle rises, Fig. 8 is the strabismus decomposition figure that plate baffle rises, Fig. 9 is the partial enlarged drawing of E in Fig. 8, Figure 10 is the partial enlarged drawing of F in Fig. 8, Figure 11 is the strabismus decomposition figure that plate baffle rises, in figure, by multiple high thrust fanjets (10) as power, driving engine (10) is fixed on rolling disc (11) bottom surface, and take the S. A. (13) of rolling disc (11) as axle center equidistant circumference, installation direction makes the intake efficiency of driving engine (10) the highest, the jet pipe of driving engine (10) is fixed on rolling disc (11) end face, and take the S. A. (13) of rolling disc (11) as axle center equidistant circumference, the moment maximum that jet direction obtains rolling disc (11), rolling disc (11) changes into the thrust of fanjet (10) power of rotation, the power of rotation is passed to transmission shaft (40) by the finishing bevel gear cuter (14) being fixed on S. A. (13) power, pass through again power-transfer clutch and change speed gear box (41) and be transferred to transmission gear (36), then pass through and the tooth bar (30) of transmission gear (36) engagement, flow to aircraft finally by crossing the shuttle (not shown) being connected with tooth bar (30).Driving engine (10) fuel oil flows down by the inner pipeline of S. A. (13), after entering rolling disc (11), offer driving engine (10), 4 altogether of power supply and signal wire (SW)s (19), power supply just, each 1 of negative pole, signal just, each 1 of negative pole, described power supply and signal wire (SW) (19) are connected to the inner corresponding circuit of rotating base (15) from firm banking (16) by metal balls (18), then be connected to the associated mechanisms in rolling disc (11), mutually insulated between each circuit, from line outlet groove (17), power supply and signal wire (SW) (19) are drawn out to power supply and control convenience.Utilize screw (not shown) by holding screw hole (20), the bottom that drives rotating disk assembly (1) to be fixed.In working process, if it is abnormal to drive rotating disk assembly (1) to occur, abnormal brake gear (21) action clamps rotating base (15), and rolling disc (11) is braked.Between fixing motor exhaust streamlined reefer housing (12) and rolling disc (11), there is densification device to avoid driving engine (10) to suck tail gas, tail gas streamlined reefer housing (12) has exhausr port (25), the discharge directions of exhausr port (25) is beneficial to the discharge of driving engine (10) tail gas, the exit area of exhausr port (25) is greater than the exit area summation of all driving engines (10) nozzle, and exhausr port (25) is discharged to the tail gas of driving engine (10) outside aircraft carrier.While needing repairing maintenance, enter by streamlined reefer housing gate (26).Transmission gear (36) in conveyor track assembly (3) and less reversing gear (37) nibble and, tooth bar (30) is through out-of-date, transmission gear (36) and the tooth bar on it (30) nibble and, the length of tooth bar (30) is greater than the distance between two adjacent transmission gears (36), make tooth bar (30) all the time at least with one transmission gear (36) keep nibble and, ball (32) and lubricating oil are housed in rack guide rail (31), make tooth bar (30) by time friction force reduce, in figure, only draw representational ball (32).In the position of multiple transmission gears (36), gear brake equipment (35) is installed, under normal circumstances, gear brake equipment (35) is braked transmission gear (36), occur when abnormal, the tooth bar buffering stop motion mechanism (38) that is positioned at conveyor track assembly (3) end is braked tooth bar (30).Many reinforced ribs (33) are fixed together rack guide rail (31) and gear stand (34) to gain in strength.Thrust reverser is by plate baffle (22), inner side obturage plate (23), outside obturage plate (24), hydraulic actuation mechanism and composition of the control system.Plate baffle (22) is risen in hydraulic actuation mechanism, the plate baffle (22) rising completely and the end face of rolling disc (11) form an acute angle, inner side plate (23) and the outside rise automatically under the elastic force effect of the torsion spring (not shown) that plate (24) installs in its rotating shaft place of obturaging of obturaging, the angle rising is limited by plate baffle (22), while rise completely, the obturage acute angle of end face formation of plate (23) and rolling disc (11) of inner side, the obturage end face of plate (24) and rolling disc (11) of outside also forms an acute angle, the plate baffle (22) rising, inner side plate (23) and the outside densification device at plate (24) and a four sides of rolling disc (11) end face formation of obturaging of obturaging, make thrust reversing or the part thrust reversing of driving engine (10), while launching, hydraulic actuation mechanism depresses plate baffle (22), plate baffle (22) is depressed inner side plate (23) and the outside plate (24) of obturaging of obturaging.Before launching, start the engine (10) also makes plate baffle (22) rise a low-angle, make rolling disc (11) with low speed rotation, when preparation is launched, the acceleration/accel that the angle of adjustment plate baffle (22) makes rolling disc (11) can bear with aircraft rotates, and adjust the change speed gear box transmitting ratio in power-transfer clutch and change speed gear box (41), launch while beginning, power-transfer clutch in closed power-transfer clutch and change speed gear box (41), depress plate baffle (22) simultaneously, rolling disc (11) fast rotational, by the power transmission of high thrust fanjet (10) to the aircraft being launched.The power-transfer clutch of taking off in rear power-transfer clutch and change speed gear box (41) disconnects, gear brake equipment (35) action is stopped the rotation transmission gear (36), thereby make tooth bar (30) stop motion, thrust reverser action on rolling disc (11) simultaneously, make the thrust reversing of driving engine (10), rolling disc (11) is slowed down, closed reduction power-transfer clutch (51) after tooth bar (30) stop motion, resets tooth bar (30) by reset motor (50) drive gear set.While launching aviette, plate baffle (22) rises certain angle or closes symmetrical a part of driving engine (10) to reduce ejection force, reaches the ejection force scope that aviette can bear.Driving rotating disk assembly (1) is positioned at the zone line of conveyor track assembly (3), to reduce the time of gear cluster bringing onto load work.
In another embodiment shown in Figure 12, by a driving rotating disk assembly (1), power is successively transferred to the aircraft on two conveyor track assemblies (3).When launch on a conveyor track assembly (3) wherein aircraft time, the power-transfer clutch connecting in power-transfer clutch and the change speed gear box (41) of another conveyor track assembly (3) disconnects, after aircraft completes and takes off, disconnect corresponding power-transfer clutch, thrust reverser action on rolling disc simultaneously, make the thrust reversing of driving engine, make rolling disc decelerate to the scope of setting, then the power-transfer clutch in closed power-transfer clutch and the change speed gear box (41) that connects another conveyor track assembly (3), launches the aircraft on it.The conveyor track assembly (3) that had previously completed the task of launching completes reset by reset motor (50) and reseting clutch (51), does the preparation of next time launching.
In another embodiment shown in Figure 13, power is successively transferred to the aircraft on two conveyor track assemblies (3) by two driving rotating disk assemblies (1) simultaneously.When launch on a conveyor track assembly (3) wherein aircraft time, the power-transfer clutch that connects another conveyor track assembly (3) disconnects, after aircraft completes and takes off, disconnect corresponding power-transfer clutch, thrust reverser on rolling disc moves simultaneously, makes the thrust reversing of driving engine, makes two rolling discs decelerate to the scope of setting, then two power-transfer clutchs that closure connects another conveyor track assembly (3) simultaneously, launch the aircraft on it.The conveyor track assembly (3) that had previously completed the task of launching completes after reset, does the preparation of next time launching.Divider wall (52) can be avoided the interference of the upper engine charge of two adjacent driven rotating disk assemblies (1).In the present embodiment, also can drive rotating disk assembly (1) to work independently by one of them.
Below by reference to the accompanying drawings the specific embodiment of the present invention is described; but these explanations can not be understood to limit scope of the present invention; protection scope of the present invention is limited by the claims of enclosing, and any change on the claims in the present invention basis is all protection scope of the present invention.
Claims (7)
1. the aircraft catapult that jet engine drives, comprise high thrust fanjet, rolling disc, tail gas streamlined reefer housing, thrust reverser, transmission shaft, power-transfer clutch, transmission gear, tooth bar, gear brake equipment, resetting system, lubricating system, control system, it is characterized in that: by multiple high thrust fanjets as power, driving engine is fixed on rolling disc bottom surface, and take the S. A. of rolling disc as axle center equidistant circumference, installation direction makes the intake efficiency of driving engine the highest, the jet pipe of driving engine is fixed on rolling disc end face, and take the S. A. of rolling disc as axle center equidistant circumference, the moment maximum that jet direction obtains rolling disc, rolling disc changes into the thrust of fanjet the power of rotation, the power of rotation is transferred to transmission gear by transmission shaft and through power-transfer clutch, the tooth bar of process and transmission gear engagement again, then flow to aircraft through the shuttle being connected with tooth bar, tail gas streamlined reefer housing is discharged to the tail gas of fanjet outside aircraft carrier, taking off rear power-transfer clutch disconnects, the action of gear brake equipment is stopped the rotation transmission gear, thereby make tooth bar stop, thrust reverser action on rolling disc simultaneously, make the thrust reversing of driving engine, thereby rolling disc is slowed down, after tooth bar stop, by resetting system, tooth bar is resetted.
2. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: engine fuel flows down by the pipeline of interior of rotating shaft, after entering rolling disc, offer driving engine, power supply and signal wire (SW) are connected to the inner corresponding circuit of rotating base from firm banking by ball (18), then be connected to the associated mechanisms in rolling disc, mutually insulated between each circuit, in working process, if it is abnormal to drive rotating disk assembly (1) to occur, abnormal brake gear action clamps rotating base, and rolling disc is braked.
3. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: on rolling disc, have fixing tail gas streamlined reefer housing, between tail gas streamlined reefer housing and rolling disc, there is densification device to avoid driving engine to suck tail gas, tail gas streamlined reefer housing has exhausr port, the discharge directions of exhausr port is beneficial to the discharge of motor exhaust, the exit area of exhausr port is greater than the exit area summation of all engine tail nozzles, and exhausr port is discharged to the tail gas of driving engine outside aircraft carrier.
4. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: transmission gear and less reversing gear nibble and, tooth bar is through out-of-date, tooth bar on transmission gear and its nibble and, the length of tooth bar is greater than two distances between adjacent transmission gear, make tooth bar all the time at least with one transmission gear keep nibbling and, ball (32) and lubricating oil are housed in rack guide rail, make tooth bar by time friction force reduce, in the position of multiple transmission gears, gear brake equipment is installed, under normal circumstances, gear brake equipment is braked transmission gear, occur when abnormal, the tooth bar buffering stop motion mechanism that is positioned at conveyor track assembly (3) end is braked tooth bar.
5. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: plate baffle is risen in hydraulic actuation mechanism, the plate baffle rising completely and the end face of rolling disc form an acute angle, inner side plate and the outside plate of obturaging of obturaging automatically rises under the effect of spring force, the angle rising is limited by plate baffle, while rise completely, inner side obturage plate and rolling disc end face form an acute angle, the obturage end face of plate and rolling disc of outside also forms an acute angle, the plate baffle rising, inner side obturage plate and the rolling disc end face of plate and outside of obturaging forms the densification device at a four sides, make thrust reversing or the part thrust reversing of driving engine, while launching, hydraulic actuation mechanism depresses plate baffle, plate baffle is depressed inner side plate and the outside plate of obturaging of obturaging.
6. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: before launching, start the engine also makes plate baffle rise a low-angle, makes rolling disc with low speed rotation, while preparing to launch, the acceleration/accel that the angle of adjustment plate baffle makes rolling disc can bear with aircraft rotates, launch while beginning, closed power-transfer clutch is depressed plate baffle simultaneously, rolling disc fast rotational, by driving device the power transmission of high thrust fanjet to the aircraft being launched.
7. the aircraft catapult that jet engine according to claim 1 drives, it is characterized in that: take off rear power-transfer clutch and disconnect, the action of gear brake equipment is stopped the rotation transmission gear, thereby make tooth bar stop motion, then closed reduction power-transfer clutch, resets tooth bar by reset motor-driven gear group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310006215.XA CN103910069A (en) | 2013-01-03 | 2013-01-03 | Aircraft catapult driven by jet engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310006215.XA CN103910069A (en) | 2013-01-03 | 2013-01-03 | Aircraft catapult driven by jet engine |
Publications (1)
| Publication Number | Publication Date |
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| CN103910069A true CN103910069A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310006215.XA Pending CN103910069A (en) | 2013-01-03 | 2013-01-03 | Aircraft catapult driven by jet engine |
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| CN (1) | CN103910069A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111315671A (en) * | 2017-09-13 | 2020-06-19 | 弗莱林克有限公司 | Braking device for a conveyor system |
| CN113148218A (en) * | 2021-03-31 | 2021-07-23 | 潍坊新力蒙水产技术有限公司 | Descending type integrated external power track electronic floating-shooting aviation device |
| CN114368489A (en) * | 2021-07-26 | 2022-04-19 | 李敏 | Brand-new aircraft carrier mechanical catapult structure |
| CN115950596A (en) * | 2023-03-13 | 2023-04-11 | 成立航空技术(成都)有限公司 | Aeroengine nozzle gas tightness detection device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111315671A (en) * | 2017-09-13 | 2020-06-19 | 弗莱林克有限公司 | Braking device for a conveyor system |
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| CN113148218A (en) * | 2021-03-31 | 2021-07-23 | 潍坊新力蒙水产技术有限公司 | Descending type integrated external power track electronic floating-shooting aviation device |
| CN114368489A (en) * | 2021-07-26 | 2022-04-19 | 李敏 | Brand-new aircraft carrier mechanical catapult structure |
| CN115950596A (en) * | 2023-03-13 | 2023-04-11 | 成立航空技术(成都)有限公司 | Aeroengine nozzle gas tightness detection device |
| CN115950596B (en) * | 2023-03-13 | 2023-05-23 | 成立航空技术(成都)有限公司 | Aeroengine nozzle air tightness detection device |
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Application publication date: 20140709 |